These unique crimps have a rubber lining which allow them to be crimped in position yet be moved without damaging the trace/rig line. This is a useful feature for altering the snood positions on multi hook rigs and means you can make a 3 up trace into a 2 up 1 down in seconds. They can also be used for adjustable bait stops to cater for different sized baits. Will fit lines up to 80lb, 50 crimps per pack